1066694902 has 32 divisors (see below), whose sum is σ = 1980224064. Its totient is φ = 419644800.

The previous prime is 1066694899. The next prime is 1066694927. The reversal of 1066694902 is 2094966601.

It is a happy number.

It is a super-2 number, since 2×1066694902² = 2275676027905579208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16752 + ... + 49132.

It is an arithmetic number, because the mean of its divisors is an integer number (61882002).

Almost surely, 2^1066694902 is an apocalyptic number.

1066694902 is a deficient number, since it is larger than the sum of its proper divisors (913529162).

1066694902 is a wasteful number, since it uses less digits than its factorization.

1066694902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32584.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1066694902 is about 32660.2954977447. The cubic root of 1066694902 is about 1021.7549251961.

The spelling of 1066694902 in words is "one billion, sixty-six million, six hundred ninety-four thousand, nine hundred two".